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19 papers · 2 filters
Submillimeter-HCN Diagram for an Energy Diagnostics in the Centers of Galaxies
Takuma Izumi, Kotaro Kohno, Susanne Aalto +16
Compiling data from literature and the ALMA archive, we show enhanced HCN(4-3)/HCO(4-3) and/or HCN(4-3)/CS(7-6) integrated intensity ratios in circumnuclear molecular gas aroun…
Globular Cluster Populations: Results Including SG Late-Type Galaxies
Dennis Zaritsky, Kelsey McCabe, Manuel Aravena +18
Using 3.6 and 4.5m images of 73 late-type, edge-on galaxies from the SG survey, we compare the richness of the globular cluster populations of these galaxies to those of ear…
ISM masses and the star formation law at Z = 1 to 6 // ALMA observations of dust continuum in 145 galaxies in the COSMOS survey field
N. Scoville, K. Sheth, H. Aussel +17
ALMA Cycle 2 observations of the long wavelength dust emission in 145 star-forming galaxies are used to probe the evolution of star-forming ISM. We also develop the physical basis…
ALMA Observations of the Submillimeter Dense Molecular Gas Tracers in the Luminous Type-1 Active Nucleus of NGC 7469
Takuma Izumi, Kotaro Kohno, Susanne Aalto +30
We present ALMA Cycle 1 observations of the central kpc region of the luminous type-1 Seyfert galaxy NGC 7469 with unprecedented high resolution (0.5 0.4 = 165 pc $\…
Discovery of Massive, Mostly Star-formation Quenched Galaxies with Extremely Large Lyman-alpha Equivalent Widths at z ~ 3
Yoshiaki Taniguchi, Masaru Kajisawa, Masakazu A. R. Kobayashi +21
We report a discovery of 6 massive galaxies with both extremely large Lya equivalent width and evolved stellar population at z ~ 3. These MAssive Extremely STrong Lya emitting Obje…
The Odd Offset between the Galactic Disk and Its Bar in NGC 3906
Bonita de Swardt, Kartik Sheth, Taehyun Kim +27
We use mid-infrared 3.6 and 4.5microns imaging of NGC 3906 from the Spitzer Survey of Stellar Structure in Galaxies (S4G) to understand the nature of an unusual offset between its…
Spatially Resolved Spitzer-IRS Spectral Maps of the Superwind in M82
P. Beirão, L. Armus, M. D. Lehnert +12
We have mapped the superwind/halo region of the nearby starburst galaxy M82 in the mid-infrared with . The spectral regions covered include the H, [NeII]…
The Spitzer Survey of Stellar Structure in Galaxies (S4G): Stellar Masses, Sizes and Radial Profiles for 2352 Nearby Galaxies
Juan Carlos Munoz-Mateos, Kartik Sheth, Michael Regan +25
The Spitzer Survey of Stellar Structure in Galaxies (S4G) is a volume, magnitude, and size-limited survey of 2352 nearby galaxies with deep imaging at 3.6 and 4.5um. In this paper…
Band-9 ALMA observations of the [NII] 122 micron line and FIR continuum in two high-z galaxies
Carl Ferkinhoff, Drew Brisbin, Thomas Nikola +4
We present Atacama Large Millimeter Array (ALMA) observations of two high-redshift systems (SMMJ02399-0136 and the Cloverleaf QSO) in their rest-frame 122 micron continuum (~650 GH…
ISM Masses and Star Formation at z = 1 to 6 ALMA Observations of Dust Continuum in 180 Galaxies in COSMOS
N. Scoville, K. Sheth, H. Aussel +12
ALMA Cycle 2 observations of the long wavelength dust emission in 180 star-forming (SF) galaxies are used to investigate the evolution of ISM masses at z = 1 to 6.4. The ISM masses…
H-alpha kinematics of S4G spiral galaxies-II. Data description and non-circular motions
Santiago Erroz-Ferrer, Johan H. Knapen, Ryan Leaman +15
We present a kinematical study of 29 spiral galaxies included in the Spitzer Survey of Stellar Structure in Galaxies, using Halpha Fabry-Perot data obtained with the Galaxy Halpha…
The Interstellar Medium In Galaxies Seen A Billion Years After The Big Bang
P. L. Capak, C. Carilli, G. Jones +11
Evolution in the measured rest frame ultraviolet spectral slope and ultraviolet to optical flux ratios indicate a rapid evolution in the dust obscuration of galaxies during the fir…
Spitzer Survey of Stellar Structure in Galaxies (SG). The Pipeline 4: Multi-component decomposition strategies and data release
Heikki Salo, Eija Laurikainen, Jarkko Laine +20
The Spitzer Survey of Stellar Structure in Galaxies (SG, Sheth et. al. 2010) is a deep 3.6 and 4.5 m imaging survey of 2352 nearby ( Mpc) galaxies. We describe the S$^…
The Physical Conditions in a Pre Super Star Cluster Molecular Cloud in the Antennae Galaxies
K. E. Johnson, A. K. Leroy, R. Indebetouw +5
We present an analysis of the physical conditions in an extreme molecular cloud in the Antennae merging galaxies. This cloud has properties consistant with those required to form a…
(Sub)millimetre interferometric imaging of a sample of COSMOS/AzTEC submillimetre galaxies - I. Multiwavelength identifications and redshift distribution
Oskari Miettinen, Vernesa Smolčić, Mladen Novak +17
We used the PdBI to map a sample of 15 SMGs in the COSMOS field at the wavelength of 1.3 mm. The target SMGs were originally discovered in the JCMT/AzTEC 1.1 mm continuum survey at…
The GALEX/S4G UV-IR color-color diagram: Catching spiral galaxies away from the Blue Sequence
Alexandre Y. K. Bouquin, Armando Gil de Paz, Samuel Boissier +8
We obtained GALEX FUV, NUV, and Spitzer/IRAC 3.6m photometry for > 2000 galaxies, available for 90% of the S4G sample. We find a very tight "GALEX Blue Sequence (GBS)" in the (F…
A Classical Morphological Analysis of Galaxies in the Spitzer Survey of Stellar Structure in Galaxies (S4G)
R. Buta, K. Sheth, E. Athanassoula +22
The Spitzer Survey of Stellar Structure in Galaxies (S4G) is the largest available database of deep, homogeneous middle-infrared (mid-IR) images of galaxies of all types. The surve…
Physical properties of z>4 submillimeter galaxies in the COSMOS field
V. Smolcic, A. Karim, O. Miettinen +30
We study the physical properties of a sample of 6 SMGs in the COSMOS field, spectroscopically confirmed to lie at z>4. We use new GMRT 325 MHz and 3 GHz JVLA data to probe the rest…
A Turnover in the Galaxy Main Sequence of Star Formation at for Redshifts
Nicholas Lee, D. B. Sanders, Caitlin M. Casey +14
The relationship between galaxy star formation rates (SFR) and stellar masses () is re-examined using a mass-selected sample of 62,000 star-forming galaxies at $z \le…